How does the cell wall protect a plant cell? The cell wall protects the cell by providing support and maintaining the cell's shape.
The cell wall protects the cell by storing food so the plant doesn't run out.
The cell wall is thin and flexible, which allows the cell to be moved without harming the organelles.
The cell wall is on the inside of the cell and serves to contain the contents of the cell.

A

Explanation:

A cell wall is something only plants have. It is more secure and protectable than a cell membrane (which is what C describes and what humans have). B is not true, it does not help store food, and cell wall is not inside the cell, as said in D.

the  frequency of a wave represents  the number of wavelengths that pass a specific point per second. the unit for  frequency  is hertz (hz).

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answer: that would be cheating

explanation: